1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Oliga [24]
3 years ago
13

Find the reference angle of 100 degrees

Mathematics
1 answer:
Roman55 [17]3 years ago
4 0

Since the angle  

100 °  is in the second quadrant, the reference angle formula is  A r = 180 ° −

A c.   A r = 180 ° − 100 °

The reference angle is  A r = 80 ° .

80 °

You might be interested in
A boy stands 1 meter away from a lamppost. He is 1.8 meters tall and casts a shadow 2 meters long in the light from the lamp. Ho
Charra [1.4K]

A boy stands 1 meter away from a lamppost. He is 1.8 meters tall and casts a shadow 2 meters long in the light from the lamp

The diagram is attached below using the given information

We have two similar triangle

Triangle ACD is similar to triangle ABE. So the sides are in proportional

\frac{DC}{EB} =\frac{AC}{AB}

AC = AB + BC = 3m

\frac{x}{1.8}=\frac{3}{2}

2x = 1.8 * 3 (cross multiply)

2x = 5.4

Divide by 2 on both sides

x = 2.7

Height of Lamppost is 2.7 meter



3 0
3 years ago
Read 2 more answers
Please answer with explanation of how you got the answer !!
Irina18 [472]

Answer:

−24

Step-by-step explanation:

Since there is only one negative, this means when all the values are multiplied together the product will be negative. Just multiply all three together to get −24.

(3)(−4)(2)

(−12)(2)

−24

It doesn't matter which order you multiply in in this case.

7 0
3 years ago
The recipe for gelatin uses 2 cups of water with 4 packages of the gelatin mix. ? How many cups of water will be used with 12 pa
olga_2 [115]

Answer:

6 cups

hope this helps! :D

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Simplify: 5y-3/12y - y-5/20y:<br><br> <img src="https://tex.z-dn.net/?f=%5Cfrac%7B5y-3%7D%7B12y%7D%20-%5Cfrac%7By-5%7D%7B20y%7D"
Damm [24]

Answer:

i think the answer is -y^2/20 + 2y/3 - 1/4

6 0
3 years ago
Anyone know how to do this??!?!
ludmilkaskok [199]
Add all the numbers of the triangle and then divide them by the sides 

7 0
3 years ago
Other questions:
  • Find the slop of the line that passes Thur each pair of points
    10·1 answer
  • A GARDEN SNAIL CAN TRAVEL ABOUT 5 FEET IN 2 MINUTES.AT THIS SPEED HOW FAR CAN IT TRAVEL IN ONE HOUR
    12·2 answers
  • Please help i don't know this (6th grade math)
    9·1 answer
  • Solve the system by the method of elimination.
    12·2 answers
  • Here's the problem:
    14·1 answer
  • Explain how to identify a starting position on a line.
    7·2 answers
  • At a miniature golf course, after every 5 th visit you receive a free beverage. After every 12 th visit you receive a free game.
    12·1 answer
  • Sharon is in charge of water bottles for a school field trip.
    5·2 answers
  • What is the equation of the line that passes through the point (4,−7) and has a slope of -1/2?
    5·2 answers
  • The table of values shows the height of a buoy compared to the sea floor over time as the tide goes in and out. This can be mode
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!